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Stone origins: Sandstone

Sandstone is the process of millions of years of stone deposition.

A sandstone wall can make for a great feature for your garden, driveway or just about any other part of the house. Sandstone has a knack for adding an earthy, grounded feel to whatever area it’s added to.

And of course, if you want to keep it looking great for as long as possible, you’ll want to ensure sandstone protection with a sealer like DRY-TREAT 40SK™. Considering the origins of sandstone may prove useful when undertaking this or any other job – who knows what insights you can glean from it.

A summary of sandstone

Sandstone, so called because of the legions of tiny sand-size rock or mineral grains of which its formed, is a sedimentary rock. This means they’re made from the miniscule fragments of many other kinds of rocks, as they are deposited in one particular area and eventually join together as one.

This process can happen through a number of different ways. In some cases, it’s due to what’s known as chemical precipitation. In the case of sandstone, it’s a little bit different.

The shaping of sandstone

Sandstone is typically created thanks to the transportation of these sand-sized bits of rock by water or wind. First, the original, source rock is weathered, and small pieces of it break off – some already tiny, others larger chunks.

If near a water source, such as a river, these pieces of rock are carried away, breaking down into ever smaller parts on the journey out. Upon reaching a lake, or the sea, the water’s cargo is deposited in layers, settling at the bottom.

As more and more of these layers are deposited, the granules of rock underneath are further crushed and compressed, combining with cement-like minerals like quartz to bond together.

This process does not only happen in the water. It can also happen on land, thanks to the wind’s powers of erosion and transportation. It’s important to note that this process is also a lengthy one, millions of years long in some cases – a continual cycle of erosion, transportation, deposition, compression and cementation.

All of this serves to give sandstone its unique appearance. It also means, however, that sandstone is particularly soft and porous, needing extra careful attention and protection to go on giving your home that extra bit of beauty.

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